Draft of First Amendment to IEC 62351-3 Published

The draft of the first amendment to IEC 62351-3 (“Power System Security”) was published — IEC 62351-3/AMD1 ED1 (57/1894/CDV).

The draft, prepared by IEC TC57 Working Group 15, was released on the Committee Work programme page.

Amendment 1 — Power systems management and associated information exchange — Data and communications security — Part 3: Communication network and system security — Profiles including TCP/IP.

The crucial amendment to IEC 62351-3 will address the following:

  • Definition of additional security warnings for TLS versions 1.1 and 1.0.
  • Alignment of handling of revoked or expired certificates for TLS session resumption and TLS session renegotiation.
  • Clarification regarding session resumption and session renegotiation invocation based on session time.
  • Enhancement of session resumption approach with the option of session tickets to better align with the upcoming new version of TLS.
  • Enhancement of the utilized public key methods for signing and key management with ECDSA based algorithms.
  • Update of the requirements for referencing standards.
  • Update of bibliography.

The CDV ballot ends 3 November 2017. [blog.iec61850.com]

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